mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 11:19:32 +03:00
d4dc53dad2
Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap type for mounts (struct mnt_idmap), we need to detect these changes and make zfs work with the new APIs. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Youzhong Yang <yyang@mathworks.com> Closes #14682
478 lines
14 KiB
Plaintext
478 lines
14 KiB
Plaintext
dnl #
|
|
dnl # 2.6.35 API change,
|
|
dnl # The 'struct xattr_handler' was constified in the generic
|
|
dnl # super_block structure.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER], [
|
|
ZFS_LINUX_TEST_SRC([const_xattr_handler], [
|
|
#include <linux/fs.h>
|
|
#include <linux/xattr.h>
|
|
|
|
const struct xattr_handler xattr_test_handler = {
|
|
.prefix = "test",
|
|
.get = NULL,
|
|
.set = NULL,
|
|
};
|
|
|
|
const struct xattr_handler *xattr_handlers[] = {
|
|
&xattr_test_handler,
|
|
};
|
|
|
|
const struct super_block sb __attribute__ ((unused)) = {
|
|
.s_xattr = xattr_handlers,
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], [
|
|
AC_MSG_CHECKING([whether super_block uses const struct xattr_handler])
|
|
ZFS_LINUX_TEST_RESULT([const_xattr_handler], [
|
|
AC_MSG_RESULT([yes])
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([const xattr_handler])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 4.5 API change,
|
|
dnl # struct xattr_handler added new member "name".
|
|
dnl # xattr_handler which matches to whole name rather than prefix should use
|
|
dnl # "name" instead of "prefix", e.g. "system.posix_acl_access"
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_NAME], [
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_name], [
|
|
#include <linux/xattr.h>
|
|
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.name = XATTR_NAME_POSIX_ACL_ACCESS,
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_NAME], [
|
|
AC_MSG_CHECKING([whether xattr_handler has name])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_name], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1,
|
|
[xattr_handler has name])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # Supported xattr handler get() interfaces checked newest to oldest.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET], [
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode], [
|
|
#include <linux/xattr.h>
|
|
|
|
int get(const struct xattr_handler *handler,
|
|
struct dentry *dentry, struct inode *inode,
|
|
const char *name, void *buffer, size_t size) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.get = get,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_get_xattr_handler], [
|
|
#include <linux/xattr.h>
|
|
|
|
int get(const struct xattr_handler *handler,
|
|
struct dentry *dentry, const char *name,
|
|
void *buffer, size_t size) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.get = get,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry], [
|
|
#include <linux/xattr.h>
|
|
|
|
int get(struct dentry *dentry, const char *name,
|
|
void *buffer, size_t size, int handler_flags)
|
|
{ return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.get = get,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode_flags], [
|
|
#include <linux/xattr.h>
|
|
|
|
int get(const struct xattr_handler *handler,
|
|
struct dentry *dentry, struct inode *inode,
|
|
const char *name, void *buffer,
|
|
size_t size, int flags) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.get = get,
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
|
|
dnl #
|
|
dnl # 4.7 API change,
|
|
dnl # The xattr_handler->get() callback was changed to take both
|
|
dnl # dentry and inode.
|
|
dnl #
|
|
AC_MSG_CHECKING([whether xattr_handler->get() wants dentry and inode])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1,
|
|
[xattr_handler->get() wants both dentry and inode])
|
|
],[
|
|
dnl #
|
|
dnl # 4.4 API change,
|
|
dnl # The xattr_handler->get() callback was changed to take a
|
|
dnl # attr_handler, and handler_flags argument was removed and
|
|
dnl # should be accessed by handler->flags.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->get() wants xattr_handler])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_get_xattr_handler], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_GET_HANDLER, 1,
|
|
[xattr_handler->get() wants xattr_handler])
|
|
],[
|
|
dnl #
|
|
dnl # 2.6.33 API change,
|
|
dnl # The xattr_handler->get() callback was changed
|
|
dnl # to take a dentry instead of an inode, and a
|
|
dnl # handler_flags argument was added.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->get() wants dentry])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_GET_DENTRY, 1,
|
|
[xattr_handler->get() wants dentry])
|
|
],[
|
|
dnl #
|
|
dnl # Android API change,
|
|
dnl # The xattr_handler->get() callback was
|
|
dnl # changed to take dentry, inode and flags.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->get() wants dentry and inode and flags])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode_flags], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE_FLAGS, 1,
|
|
[xattr_handler->get() wants dentry and inode and flags])
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([xattr get()])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # Supported xattr handler set() interfaces checked newest to oldest.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET], [
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_set_mnt_idmap], [
|
|
#include <linux/xattr.h>
|
|
|
|
int set(const struct xattr_handler *handler,
|
|
struct mnt_idmap *idmap,
|
|
struct dentry *dentry, struct inode *inode,
|
|
const char *name, const void *buffer,
|
|
size_t size, int flags)
|
|
{ return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.set = set,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_set_userns], [
|
|
#include <linux/xattr.h>
|
|
|
|
int set(const struct xattr_handler *handler,
|
|
struct user_namespace *mnt_userns,
|
|
struct dentry *dentry, struct inode *inode,
|
|
const char *name, const void *buffer,
|
|
size_t size, int flags)
|
|
{ return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.set = set,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry_inode], [
|
|
#include <linux/xattr.h>
|
|
|
|
int set(const struct xattr_handler *handler,
|
|
struct dentry *dentry, struct inode *inode,
|
|
const char *name, const void *buffer,
|
|
size_t size, int flags)
|
|
{ return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.set = set,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_set_xattr_handler], [
|
|
#include <linux/xattr.h>
|
|
|
|
int set(const struct xattr_handler *handler,
|
|
struct dentry *dentry, const char *name,
|
|
const void *buffer, size_t size, int flags)
|
|
{ return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.set = set,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry], [
|
|
#include <linux/xattr.h>
|
|
|
|
int set(struct dentry *dentry, const char *name,
|
|
const void *buffer, size_t size, int flags,
|
|
int handler_flags) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.set = set,
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
|
|
dnl #
|
|
dnl # 5.12 API change,
|
|
dnl # The xattr_handler->set() callback was changed to 8 arguments, and
|
|
dnl # struct user_namespace* was inserted as arg #2
|
|
dnl #
|
|
dnl # 6.3 API change,
|
|
dnl # The xattr_handler->set() callback 2nd arg is now struct mnt_idmap *
|
|
dnl #
|
|
AC_MSG_CHECKING([whether xattr_handler->set() wants dentry, inode, and mnt_idmap])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_set_mnt_idmap], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_SET_IDMAP, 1,
|
|
[xattr_handler->set() takes mnt_idmap])
|
|
], [
|
|
AC_MSG_CHECKING([whether xattr_handler->set() wants dentry, inode, and user_namespace])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_set_userns], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_SET_USERNS, 1,
|
|
[xattr_handler->set() takes user_namespace])
|
|
],[
|
|
dnl #
|
|
dnl # 4.7 API change,
|
|
dnl # The xattr_handler->set() callback was changed to take both
|
|
dnl # dentry and inode.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING([whether xattr_handler->set() wants dentry and inode])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry_inode], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_SET_DENTRY_INODE, 1,
|
|
[xattr_handler->set() wants both dentry and inode])
|
|
],[
|
|
dnl #
|
|
dnl # 4.4 API change,
|
|
dnl # The xattr_handler->set() callback was changed to take a
|
|
dnl # xattr_handler, and handler_flags argument was removed and
|
|
dnl # should be accessed by handler->flags.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->set() wants xattr_handler])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_set_xattr_handler], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_SET_HANDLER, 1,
|
|
[xattr_handler->set() wants xattr_handler])
|
|
],[
|
|
dnl #
|
|
dnl # 2.6.33 API change,
|
|
dnl # The xattr_handler->set() callback was changed
|
|
dnl # to take a dentry instead of an inode, and a
|
|
dnl # handler_flags argument was added.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->set() wants dentry])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_SET_DENTRY, 1,
|
|
[xattr_handler->set() wants dentry])
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([xattr set()])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # Supported xattr handler list() interfaces checked newest to oldest.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST], [
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_list_simple], [
|
|
#include <linux/xattr.h>
|
|
|
|
bool list(struct dentry *dentry) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.list = list,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_list_xattr_handler], [
|
|
#include <linux/xattr.h>
|
|
|
|
size_t list(const struct xattr_handler *handler,
|
|
struct dentry *dentry, char *list, size_t list_size,
|
|
const char *name, size_t name_len) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.list = list,
|
|
};
|
|
],[])
|
|
|
|
ZFS_LINUX_TEST_SRC([xattr_handler_list_dentry], [
|
|
#include <linux/xattr.h>
|
|
|
|
size_t list(struct dentry *dentry,
|
|
char *list, size_t list_size,
|
|
const char *name, size_t name_len,
|
|
int handler_flags) { return 0; }
|
|
static const struct xattr_handler
|
|
xops __attribute__ ((unused)) = {
|
|
.list = list,
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [
|
|
dnl # 4.5 API change,
|
|
dnl # The xattr_handler->list() callback was changed to take only a
|
|
dnl # dentry and it only needs to return if it's accessible.
|
|
AC_MSG_CHECKING([whether xattr_handler->list() wants simple])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_list_simple], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_LIST_SIMPLE, 1,
|
|
[xattr_handler->list() wants simple])
|
|
],[
|
|
dnl #
|
|
dnl # 4.4 API change,
|
|
dnl # The xattr_handler->list() callback was changed to take a
|
|
dnl # xattr_handler, and handler_flags argument was removed
|
|
dnl # and should be accessed by handler->flags.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->list() wants xattr_handler])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_list_xattr_handler], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_LIST_HANDLER, 1,
|
|
[xattr_handler->list() wants xattr_handler])
|
|
],[
|
|
dnl #
|
|
dnl # 2.6.33 API change,
|
|
dnl # The xattr_handler->list() callback was changed
|
|
dnl # to take a dentry instead of an inode, and a
|
|
dnl # handler_flags argument was added.
|
|
dnl #
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING(
|
|
[whether xattr_handler->list() wants dentry])
|
|
ZFS_LINUX_TEST_RESULT([xattr_handler_list_dentry], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_XATTR_LIST_DENTRY, 1,
|
|
[xattr_handler->list() wants dentry])
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([xattr list()])
|
|
])
|
|
])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 3.7 API change,
|
|
dnl # The posix_acl_{from,to}_xattr functions gained a new
|
|
dnl # parameter: user_ns
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_FROM_XATTR_USERNS], [
|
|
ZFS_LINUX_TEST_SRC([posix_acl_from_xattr_userns], [
|
|
#include <linux/cred.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/posix_acl_xattr.h>
|
|
],[
|
|
posix_acl_from_xattr(&init_user_ns, NULL, 0);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS], [
|
|
AC_MSG_CHECKING([whether posix_acl_from_xattr() needs user_ns])
|
|
ZFS_LINUX_TEST_RESULT([posix_acl_from_xattr_userns], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_POSIX_ACL_FROM_XATTR_USERNS, 1,
|
|
[posix_acl_from_xattr() needs user_ns])
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([posix_acl_from_xattr()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 4.9 API change,
|
|
dnl # iops->{set,get,remove}xattr and generic_{set,get,remove}xattr are
|
|
dnl # removed. xattr operations will directly go through sb->s_xattr.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR], [
|
|
ZFS_LINUX_TEST_SRC([have_generic_setxattr], [
|
|
#include <linux/fs.h>
|
|
#include <linux/xattr.h>
|
|
|
|
static const struct inode_operations
|
|
iops __attribute__ ((unused)) = {
|
|
.setxattr = generic_setxattr
|
|
};
|
|
],[])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_GENERIC_SETXATTR], [
|
|
AC_MSG_CHECKING([whether generic_setxattr() exists])
|
|
ZFS_LINUX_TEST_RESULT([have_generic_setxattr], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_GENERIC_SETXATTR, 1,
|
|
[generic_setxattr() exists])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR], [
|
|
ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_NAME
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET
|
|
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST
|
|
ZFS_AC_KERNEL_SRC_POSIX_ACL_FROM_XATTR_USERNS
|
|
ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_XATTR], [
|
|
ZFS_AC_KERNEL_CONST_XATTR_HANDLER
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_NAME
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_GET
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_SET
|
|
ZFS_AC_KERNEL_XATTR_HANDLER_LIST
|
|
ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS
|
|
ZFS_AC_KERNEL_GENERIC_SETXATTR
|
|
])
|